Be it applications, music, tv shows, or podcasts, Apple's iTunes store has plenty of Louisville-related material for your iPhone or iPod.
(All links to applications will open iTunes on your computer (assuming you have it installed) and direct it to the iTunes Store.)Applications

Hear Planet Lite: Wonder if there's anything of significance near you while walking down Bardstown Road? Turn on this app and using your iPhone's GPS, it'll determine what "landmarks, historic sites, cultural spots, nature areas, famous buildings, sports venues, recreation areas and more" that you're near and read you a brief description of them.

Louisville: This application is a "complete street level map of Louisville, stored on your iPhone or iPod Touch. Unlike Google Maps, which comes bundled with the devices, it doesn't require Internet access, making it a useful application for Louisville's iPod Touch owners.

Local Eats: Speaking of keeping Louisville weird, this dining app reviews local restaurants (no chains) for the United States' "top 50 cities" (rest easy Dapper Mayor Jerry, the Ville is one of them).

"How's Your News?," Season 1, Episode 5: The kids from Camp Jabberwocky head to Churchill Downs, reporting on the Kentucky Derby in their unique way. (Single episodes of "How's Your News?" aren't available, but the six-episode season is worth your $8.99.)

"Southern Belles": A reality show most of you've probably watched, justifying your indulgence in trash by saying you just want to see how Louisville is portrayed (at least that'll be my excuse when I download it).